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Date:   Fri, 20 Oct 2023 09:52:13 +0800
From:   kernel test robot <oliver.sang@intel.com>
To:     Akihiko Odaki <akihiko.odaki@daynix.com>
CC:     <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
        <netdev@vger.kernel.org>,
        Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
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        <pabeni@redhat.com>,
        "xuanzhuo@linux.alibaba.comshuah" <yuri.benditovich@daynix.com>,
        Akihiko Odaki <akihiko.odaki@daynix.com>,
        <oliver.sang@intel.com>
Subject: Re: [RFC PATCH 6/7] selftest: tun: Add tests for virtio-net hashing
Message-ID: <202310192236.fde97031-oliver.sang@intel.com>
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hi, Akihiko Odaki,

sorry for sending again, the previous one has some problem that lost most
of CC part.


Hello,


kernel test robot noticed "kernel-selftests.net.make.fail" on:

commit: c04079dfb34c2f534f013408b12218c14b286b7d ("[RFC PATCH 6/7] selftest: tun: Add tests for virtio-net hashing")
url: https://github.com/intel-lab-lkp/linux/commits/Akihiko-Odaki/net-skbuff-Add-tun_vnet_hash-flag/20231008-133245
base: https://git.kernel.org/cgit/linux/kernel/git/shuah/linux-kselftest.git next
patch link: https://lore.kernel.org/all/20231008052101.144422-7-akihiko.odaki@daynix.com/
patch subject: [RFC PATCH 6/7] selftest: tun: Add tests for virtio-net hashing

in testcase: kernel-selftests
version: kernel-selftests-x86_64-60acb023-1_20230329
with following parameters:

	group: net
	test: fcnal-test.sh
	atomic_test: ipv6_runtime


compiler: gcc-12
test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 32G memory

(please refer to attached dmesg/kmsg for entire log/backtrace)


If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202310192236.fde97031-oliver.sang@intel.com

KERNEL SELFTESTS: linux_headers_dir is /usr/src/linux-headers-x86_64-rhel-8.3-kselftests-c04079dfb34c2f534f013408b12218c14b286b7d
2023-10-14 17:54:16 mount --bind /lib/modules/6.6.0-rc2-00023-gc04079dfb34c/kernel/lib /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-c04079dfb34c2f534f013408b12218c14b286b7d/lib
make: Entering directory '/usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-c04079dfb34c2f534f013408b12218c14b286b7d/tools/bpf/resolve_btfids'

...

gcc -Wall -Wl,--no-as-needed -O2 -g -I../../../../usr/include/ -I../../../include/ -isystem /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-c04079dfb34c2f534f013408b12218c14b286b7d/usr/include -I../     txtimestamp.c  -o /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-c04079dfb34c2f534f013408b12218c14b286b7d/tools/testing/selftests/net/txtimestamp
reuseport_bpf.c: In function ‘attach_cbpf’:
reuseport_bpf.c:133:28: error: array type has incomplete element type ‘struct sock_filter’
  133 |         struct sock_filter code[] = {
      |                            ^~~~
reuseport_bpf.c:139:29: error: ‘BPF_A’ undeclared (first use in this function); did you mean ‘BPF_H’?
  139 |                 { BPF_RET | BPF_A, 0, 0, 0 },
      |                             ^~~~~
      |                             BPF_H
reuseport_bpf.c:139:29: note: each undeclared identifier is reported only once for each function it appears in
reuseport_bpf.c:141:16: error: variable ‘p’ has initializer but incomplete type
  141 |         struct sock_fprog p = {
      |                ^~~~~~~~~~
reuseport_bpf.c:142:18: error: ‘struct sock_fprog’ has no member named ‘len’
  142 |                 .len = ARRAY_SIZE(code),
      |                  ^~~
In file included from reuseport_bpf.c:27:
../kselftest.h:56:25: warning: excess elements in struct initializer
   56 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
      |                         ^
reuseport_bpf.c:142:24: note: in expansion of macro ‘ARRAY_SIZE’
  142 |                 .len = ARRAY_SIZE(code),
      |                        ^~~~~~~~~~
../kselftest.h:56:25: note: (near initialization for ‘p’)
   56 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
      |                         ^
reuseport_bpf.c:142:24: note: in expansion of macro ‘ARRAY_SIZE’
  142 |                 .len = ARRAY_SIZE(code),
      |                        ^~~~~~~~~~
reuseport_bpf.c:143:18: error: ‘struct sock_fprog’ has no member named ‘filter’
  143 |                 .filter = code,
      |                  ^~~~~~
reuseport_bpf.c:143:27: warning: excess elements in struct initializer
  143 |                 .filter = code,
      |                           ^~~~
reuseport_bpf.c:143:27: note: (near initialization for ‘p’)
reuseport_bpf.c:141:27: error: storage size of ‘p’ isn’t known
  141 |         struct sock_fprog p = {
      |                           ^
reuseport_bpf.c:141:27: warning: unused variable ‘p’ [-Wunused-variable]
reuseport_bpf.c:133:28: warning: unused variable ‘code’ [-Wunused-variable]
  133 |         struct sock_filter code[] = {
      |                            ^~~~
reuseport_bpf.c: In function ‘test_filter_no_reuseport’:
reuseport_bpf.c:346:28: error: array type has incomplete element type ‘struct sock_filter’
  346 |         struct sock_filter ccode[] = {{ BPF_RET | BPF_A, 0, 0, 0 }};
      |                            ^~~~~
reuseport_bpf.c:346:51: error: ‘BPF_A’ undeclared (first use in this function); did you mean ‘BPF_H’?
  346 |         struct sock_filter ccode[] = {{ BPF_RET | BPF_A, 0, 0, 0 }};
      |                                                   ^~~~~
      |                                                   BPF_H
reuseport_bpf.c:348:27: error: storage size of ‘cprog’ isn’t known
  348 |         struct sock_fprog cprog;
      |                           ^~~~~
reuseport_bpf.c:348:27: warning: unused variable ‘cprog’ [-Wunused-variable]
reuseport_bpf.c:346:28: warning: unused variable ‘ccode’ [-Wunused-variable]
  346 |         struct sock_filter ccode[] = {{ BPF_RET | BPF_A, 0, 0, 0 }};
      |                            ^~~~~
make: *** [../lib.mk:181: /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-c04079dfb34c2f534f013408b12218c14b286b7d/tools/testing/selftests/net/reuseport_bpf] Error 1
make: *** Waiting for unfinished jobs....
reuseport_bpf_cpu.c: In function ‘attach_bpf’:
reuseport_bpf_cpu.c:79:28: error: array type has incomplete element type ‘struct sock_filter’
   79 |         struct sock_filter code[] = {
      |                            ^~~~
reuseport_bpf_cpu.c:81:52: error: ‘SKF_AD_OFF’ undeclared (first use in this function)
   81 |                 { BPF_LD  | BPF_W | BPF_ABS, 0, 0, SKF_AD_OFF + SKF_AD_CPU },
      |                                                    ^~~~~~~~~~
reuseport_bpf_cpu.c:81:52: note: each undeclared identifier is reported only once for each function it appears in
reuseport_bpf_cpu.c:81:65: error: ‘SKF_AD_CPU’ undeclared (first use in this function)
   81 |                 { BPF_LD  | BPF_W | BPF_ABS, 0, 0, SKF_AD_OFF + SKF_AD_CPU },
      |                                                                 ^~~~~~~~~~
reuseport_bpf_cpu.c:83:29: error: ‘BPF_A’ undeclared (first use in this function); did you mean ‘BPF_H’?
   83 |                 { BPF_RET | BPF_A, 0, 0, 0 },
      |                             ^~~~~
      |                             BPF_H
reuseport_bpf_cpu.c:85:16: error: variable ‘p’ has initializer but incomplete type
   85 |         struct sock_fprog p = {
      |                ^~~~~~~~~~
reuseport_bpf_cpu.c:86:18: error: ‘struct sock_fprog’ has no member named ‘len’
   86 |                 .len = 2,
      |                  ^~~
reuseport_bpf_cpu.c:86:24: warning: excess elements in struct initializer
   86 |                 .len = 2,
      |                        ^
reuseport_bpf_cpu.c:86:24: note: (near initialization for ‘p’)
reuseport_bpf_cpu.c:87:18: error: ‘struct sock_fprog’ has no member named ‘filter’
   87 |                 .filter = code,
      |                  ^~~~~~
reuseport_bpf_cpu.c:87:27: warning: excess elements in struct initializer
   87 |                 .filter = code,
      |                           ^~~~
reuseport_bpf_cpu.c:87:27: note: (near initialization for ‘p’)
reuseport_bpf_cpu.c:85:27: error: storage size of ‘p’ isn’t known
   85 |         struct sock_fprog p = {
      |                           ^
reuseport_bpf_cpu.c:85:27: warning: unused variable ‘p’ [-Wunused-variable]
reuseport_bpf_cpu.c:79:28: warning: unused variable ‘code’ [-Wunused-variable]
   79 |         struct sock_filter code[] = {
      |                            ^~~~
make: *** [../lib.mk:181: /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-c04079dfb34c2f534f013408b12218c14b286b7d/tools/testing/selftests/net/reuseport_bpf_cpu] Error 1
In file included from psock_fanout.c:55:
psock_lib.h: In function ‘pair_udp_setfilter’:
psock_lib.h:52:28: error: array type has incomplete element type ‘struct sock_filter’
   52 |         struct sock_filter bpf_filter[] = {
      |                            ^~~~~~~~~~
psock_lib.h:65:27: error: storage size of ‘bpf_prog’ isn’t known
   65 |         struct sock_fprog bpf_prog;
      |                           ^~~~~~~~
psock_lib.h:65:27: warning: unused variable ‘bpf_prog’ [-Wunused-variable]
psock_lib.h:52:28: warning: unused variable ‘bpf_filter’ [-Wunused-variable]
   52 |         struct sock_filter bpf_filter[] = {
      |                            ^~~~~~~~~~
psock_fanout.c: In function ‘sock_fanout_set_cbpf’:
psock_fanout.c:114:28: error: array type has incomplete element type ‘struct sock_filter’
  114 |         struct sock_filter bpf_filter[] = {
      |                            ^~~~~~~~~~
psock_fanout.c:115:17: warning: implicit declaration of function ‘BPF_STMT’; did you mean ‘BPF_STX’? [-Wimplicit-function-declaration]
  115 |                 BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 80),       /* ldb [80] */
      |                 ^~~~~~~~
      |                 BPF_STX
psock_fanout.c:116:36: error: ‘BPF_A’ undeclared (first use in this function); did you mean ‘BPF_X’?
  116 |                 BPF_STMT(BPF_RET | BPF_A, 0),                 /* ret A */
      |                                    ^~~~~
      |                                    BPF_X
psock_fanout.c:116:36: note: each undeclared identifier is reported only once for each function it appears in
psock_fanout.c:118:27: error: storage size of ‘bpf_prog’ isn’t known
  118 |         struct sock_fprog bpf_prog;
      |                           ^~~~~~~~
psock_fanout.c:118:27: warning: unused variable ‘bpf_prog’ [-Wunused-variable]
psock_fanout.c:114:28: warning: unused variable ‘bpf_filter’ [-Wunused-variable]
  114 |         struct sock_filter bpf_filter[] = {
      |                            ^~~~~~~~~~
make: *** [../lib.mk:181: /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-c04079dfb34c2f534f013408b12218c14b286b7d/tools/testing/selftests/net/psock_fanout] Error 1
In file included from psock_tpacket.c:47:
psock_lib.h: In function ‘pair_udp_setfilter’:
psock_lib.h:52:28: error: array type has incomplete element type ‘struct sock_filter’
   52 |         struct sock_filter bpf_filter[] = {
      |                            ^~~~~~~~~~
psock_lib.h:65:27: error: storage size of ‘bpf_prog’ isn’t known
   65 |         struct sock_fprog bpf_prog;
      |                           ^~~~~~~~
psock_lib.h:65:27: warning: unused variable ‘bpf_prog’ [-Wunused-variable]
psock_lib.h:52:28: warning: unused variable ‘bpf_filter’ [-Wunused-variable]
   52 |         struct sock_filter bpf_filter[] = {
      |                            ^~~~~~~~~~
make: *** [../lib.mk:181: /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-c04079dfb34c2f534f013408b12218c14b286b7d/tools/testing/selftests/net/psock_tpacket] Error 1
In file included from psock_snd.c:32:
psock_lib.h: In function ‘pair_udp_setfilter’:
psock_lib.h:52:28: error: array type has incomplete element type ‘struct sock_filter’
   52 |         struct sock_filter bpf_filter[] = {
      |                            ^~~~~~~~~~
psock_lib.h:65:27: error: storage size of ‘bpf_prog’ isn’t known
   65 |         struct sock_fprog bpf_prog;
      |                           ^~~~~~~~
psock_lib.h:65:27: warning: unused variable ‘bpf_prog’ [-Wunused-variable]
psock_lib.h:52:28: warning: unused variable ‘bpf_filter’ [-Wunused-variable]
   52 |         struct sock_filter bpf_filter[] = {
      |                            ^~~~~~~~~~
make: *** [../lib.mk:181: /usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-c04079dfb34c2f534f013408b12218c14b286b7d/tools/testing/selftests/net/psock_snd] Error 1
make: Leaving directory '/usr/src/perf_selftests-x86_64-rhel-8.3-kselftests-c04079dfb34c2f534f013408b12218c14b286b7d/tools/testing/selftests/net'


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231019/202310192236.fde97031-oliver.sang@intel.com


-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki